CN215147034U - Spring clamp tool for centering - Google Patents
Spring clamp tool for centering Download PDFInfo
- Publication number
- CN215147034U CN215147034U CN202121678189.1U CN202121678189U CN215147034U CN 215147034 U CN215147034 U CN 215147034U CN 202121678189 U CN202121678189 U CN 202121678189U CN 215147034 U CN215147034 U CN 215147034U
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- China
- Prior art keywords
- elasticity
- location
- screw rod
- centering
- spring clamp
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Abstract
The utility model relates to a technical field of machining's anchor clamps especially relates to a spring clamp frock for centering, the spring clamp frock includes the base, the central threaded connection of base has the elasticity bolt, the elasticity bolt includes the screw rod and fixes the bolt head in screw rod one end, the other end of screw rod passes the base and has cup jointed the bloated cover of elasticity, the one end of keeping away from the bolt head of screw rod has the location shaft shoulder and is fixed with the location axle collar on the screw rod of location shaft shoulder top, the bloated cover of elasticity presss from both sides between location shaft shoulder and location axle collar, the cover is equipped with the location taper sleeve on the bloated cover of elasticity, the last external conical surface that is equipped with of the bloated cover of elasticity, the last butt of location taper sleeve has the interior conical surface that corresponds, the location taper sleeve is equipped with a supporting bench outward, a supporting bench fixes on the base. The utility model discloses can accurately fix a position the position of work piece, centering convenient and fast, and adopt the elastic deformation of the bloated cover circumference of elasticity to the work piece centre gripping, add the holding power more even.
Description
Technical Field
The utility model relates to a technical field of machining's anchor clamps especially relates to a spring clamp frock for centering.
Background
The fixture is a process device used for quickly fastening a workpiece during machining to keep a machine tool, a cutter and the workpiece at a correct relative position, the tool fixture is an indispensable part for machining, and when a hole is drilled in the workpiece on the machine tool, the workpiece needs to be positioned and clamped firmly before machining in order to enable the surface of the workpiece to meet the technical requirements of size, geometric shape, mutual position precision with other surfaces and the like specified by a drawing. Generally, when drilling holes regularly distributed by taking the circle center as a reference, a workpiece positioning procedure is complex, centering is difficult, clamping is unstable, working efficiency is low, and an improvement space exists.
SUMMERY OF THE UTILITY MODEL
For overcoming prior art centering difficulty's when drilling technical defect, the utility model provides a spring clamp frock for centering, the spring clamp frock includes the base, the central threaded connection of base has the elasticity bolt, the elasticity bolt includes the screw rod and fixes the bolt head in screw rod one end, the other end of screw rod passes the base and has cup jointed the bloated cover of elasticity, the one end of keeping away from the bolt head of screw rod has location shaft shoulder and is fixed with the location axle collar on the screw rod of location shaft shoulder top, the bloated cover of elasticity presss from both sides between location shaft shoulder and location axle collar, the cover is equipped with the location taper sleeve on the bloated cover of elasticity, be equipped with the external conical surface on the bloated cover of elasticity, the last butt joint of location taper sleeve has corresponding inner conical surface, the location taper sleeve is equipped with a supporting bench outward, a supporting bench fixes on the base.
Further, the screw rod comprises a threaded portion close to the bolt head and a polished rod portion far away from the bolt head, and the positioning shaft shoulder and the positioning shaft ring are both arranged on the threaded portion.
Furthermore, a rotating rod is arranged on the bolt head.
Furthermore, the elastic expansion sleeve is provided with a strip-shaped seam.
Furthermore, the strip-shaped seam is arranged on the outer conical surface of the elastic expansion sleeve and extends along the axial direction of the elastic expansion sleeve.
Further, the locating collar is fixed on the loose bolt through a stop washer or welded on the loose bolt.
To sum up, the beneficial effects of the utility model are that: because the reference surface of base and location taper sleeve is the face of processing, and the two rigidity, consequently can accurately fix a position the position of work piece, centering convenient and fast, and adopt the elastic deformation of the bloated cover circumference of elasticity to the work piece centre gripping, it is more even to add the holding power, the centre gripping is more stable, set up location shoulder and location axle collar on the elasticity bolt, fix the bloated cover of elasticity between the two, rotatory elasticity bolt, can drive the bloated cover of elasticity and reciprocate, the clamp of control work piece is tight and loosen, it makes things convenient for the installation of spring clamp frock to set up the location axle collar.
Drawings
Fig. 1 is a schematic structural view of the spring clamp tool for centering of the present invention.
Fig. 2 is the utility model relates to a structural schematic diagram of the elastic expansion sleeve of the spring clamp tool for centering.
Fig. 3 is a schematic structural view of a positioning taper sleeve of the spring clamp tool for centering of the present invention.
Fig. 4 is the utility model relates to a structure schematic diagram of the lag bolt of spring clamp frock for centering.
Description of reference numerals:
1. a base; 2. tightening and loosening the bolts; 3. a screw; 4. a bolt head; 5. elastic expansion sleeve; 6. positioning the shaft shoulder; 7. a locating collar; 8. positioning a taper sleeve; 9. an outer conical surface; 10. an inner conical surface; 11. a support table; 12. a threaded portion; 13. a light bar section; 14. a rotating rod; 15. a strip seam; 16. and (5) a workpiece.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 to 4, the present embodiment provides a spring clamp tool for centering, which includes a base 1, the center of the base 1 is connected with a turnbuckle 2 through threads, the turnbuckle 2 comprises a screw rod 3 and a bolt head 4 fixed at one end of the screw rod 3, the other end of the screw rod 3 penetrates through the base 1 and is sleeved with an elastic expansion sleeve 5, one end of the screw rod 3, which is far away from the bolt head 4, is provided with a positioning shaft shoulder 6, a positioning shaft collar 7 is fixed on the screw rod 3 above the positioning shaft shoulder 6, the elastic expansion sleeve 5 is clamped between the positioning shaft shoulder 6 and the positioning shaft collar 7, the elastic expansion sleeve 5 is sleeved with a positioning taper sleeve 8, the elastic expansion sleeve 5 is provided with an external conical surface 9, the positioning conical sleeve 8 is abutted with a corresponding internal conical surface 10, a supporting table 11 is arranged outside the positioning taper sleeve 8, and the supporting table 11 is fixed on the base 1. When the workpiece 16 is drilled, the workpiece 16 is placed on the support table 11, the axis of the positioning taper sleeve 8 coincides with the center of the base 1 and is located at the center of the workpiece 16, the base 1 and the positioning taper sleeve 8 are both machined surfaces and are fixed in position, so that the position of the workpiece 16 can be accurately positioned, and when the workpiece 16 is clamped on the spring clamp tool, the workpiece 16 is in a centering state, and the tool is convenient and quick. Rotatory elasticity bolt 2, the bloated cover 5 of elasticity is driven to location axle collar 7 on the elasticity bolt 2 and moves down, and the location taper sleeve 8 and the bloated cover 5 relative movement of elasticity take place inside elastic deformation at the bloated cover 5 of elasticity under the effect of the outer conical surface 9, can press from both sides tight work piece 16, and rotatory elasticity bolt 2, location shoulder 6 on the elasticity bolt 2 drives the bloated cover 5 of elasticity and moves up, and the elastic deformation of the bloated cover 5 of elasticity resumes, can pull down work piece 16.
In this embodiment, the screw rod 3 includes a threaded portion 12 close to the bolt head 4 and a polished rod portion 13 far away from the bolt head 4, the positioning shoulder 6 and the positioning collar 7 are both disposed on the threaded portion 12, and the workpiece 16 is sleeved on the polished rod portion 13, so that the workpiece 16 can be further positioned, and the machining precision is improved.
In this embodiment, the bolt head 4 is provided with a rotating rod 14, which facilitates the rotation of the tightening bolt 2.
In this embodiment, be equipped with strip seam 15 on the elastic expansion cover 5, strip seam 15 equidistant setting provides even centre gripping dynamics for the spring clamp frock.
In this embodiment, the strip-shaped slit 15 is provided on the outer tapered surface 9 of the elastic expansion sleeve 5 and extends in the axial direction of the elastic expansion sleeve 5.
In this embodiment, the positioning collar 7 is welded to the tension bolt 2, and when the installation is performed, the screw rod 3 is inserted through the base 1 and the elastic expansion sleeve 5 to be set at an appropriate position, and then the positioning collar 7 is screwed to spot-weld the positioning collar 7 to the screw rod 3. In other embodiments, the retaining collar 7 is secured to the jack bolt 2 by a stop washer.
In the above-mentioned embodiment, carry out centering location to work piece 16 through fixed location taper sleeve 8, convenient and fast, the bloated cover 5 of elasticity presss from both sides between location shoulder 6 and location axle collar 7, when pressing from both sides tight work piece 16, rotatory elasticity bolt 2, location axle collar 7 on the elasticity bolt 2 drives the bloated cover 5 of elasticity and moves down, the bloated cover 5 of elasticity then takes place inside elastic deformation, thereby press from both sides tight work piece 16, during the dismantlement, rotatory elasticity bolt 2, location shoulder 6 on the elasticity bolt 2 drives the bloated cover 5 of elasticity and moves up, the elastic deformation of the bloated cover 5 of elasticity resumes, can pull down work piece 16, the centre gripping is dismantled conveniently, the centre gripping dynamics is even.
The foregoing embodiments illustrate and describe the principles and principal features of the invention and advantages thereof, and it will be understood by those skilled in the art that the invention is not limited by the foregoing embodiments, which are described in the specification and drawings as illustrative only, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a spring clamp frock for centering, a serial communication port, the spring clamp frock includes the base, the central threaded connection of base has the elasticity bolt, the elasticity bolt includes the screw rod and fixes the bolt head in screw rod one end, the other end of screw rod passes the base and has cup jointed the bloated cover of elasticity, the one end of keeping away from the bolt head of screw rod has the location shaft shoulder and is fixed with the location axle collar on the screw rod of location shaft shoulder top, the bloated cover of elasticity presss from both sides between location shaft shoulder and location axle collar, the cover is equipped with the location taper sleeve on the bloated cover of elasticity, the bloated cover of elasticity is equipped with the external conical surface on the cover, the last butt joint of location taper sleeve has the interior conical surface that corresponds, the location taper sleeve is equipped with a supporting bench outward, a supporting bench fixes on the base.
2. The spring clamp tool for centering as claimed in claim 1, wherein the screw comprises a threaded portion close to the bolt head and a smooth rod portion far from the bolt head, and the positioning shoulder and the positioning collar are both disposed on the threaded portion.
3. The spring clamp tool for centering as claimed in claim 1, wherein a rotating rod is provided on the bolt head.
4. The spring clamp tool for centering as claimed in claim 1, wherein the elastic expansion sleeve is provided with a strip-shaped slit.
5. The spring clamp tool for centering as claimed in claim 4, wherein the strip seam is provided on the outer conical surface of the elastic expansion sleeve and extends along the axial direction of the elastic expansion sleeve.
6. The spring clamp tooling for centering as claimed in claim 1, wherein the locating collar is fixed to or welded to the jack bolt by a stop washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678189.1U CN215147034U (en) | 2021-07-22 | 2021-07-22 | Spring clamp tool for centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678189.1U CN215147034U (en) | 2021-07-22 | 2021-07-22 | Spring clamp tool for centering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215147034U true CN215147034U (en) | 2021-12-14 |
Family
ID=79393318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121678189.1U Active CN215147034U (en) | 2021-07-22 | 2021-07-22 | Spring clamp tool for centering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215147034U (en) |
-
2021
- 2021-07-22 CN CN202121678189.1U patent/CN215147034U/en active Active
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